Tartrazine Impurity 3 Disodium Salt

CAS NO.: 3473-75-4

Formula: C10H6N2O6S2. 2 Na

Weight: 282.23 2 22.99

Etofylline

CAS NO.: 519-37-9

Formula: C9H12N4O3

Weight: 224.22

Theophylline EP Impurity B

CAS NO.: 1076-22-8

Formula: C6H6N4O2

Weight: 166.14

Theophylline EP Impurity C

CAS NO.: 7597-60-6

Formula: C7H10N403

Weight: 198.18

Theophylline EP Impurity D

CAS NO.: 6736-40-9

Formula: C6H10N4O

Weight: 154.17

Theophylline EP Impurity D HCl

CAS NO.: 116131-08-9

Formula: C6H10N4O.HCl

Weight: 154.17 36.46

Theophylline EP Impurity E

CAS NO.: 944-73-0

Formula: C7H8N4O3

Weight: 196.17

7-(B-hydroxypropyl)theophylline

CAS NO.: 603-00-9

Formula: C10H14N4O3

Weight: 238.25

Thiophene Impurity 1

CAS NO.: 20893-64-5

Formula: C4H4OS

Weight: 100.14

2-Thiopheneacetic Acid

CAS NO.: 1918-77-0

Formula: C6H6O2S

Weight: 142.17

Tropisetron Impurity 1(Racemic)

CAS NO.:

Formula: C10H19NO

Weight: 169.27

Tropisetron Impurity 2

CAS NO.:

Formula: C10H19NO

Weight: 169.27

Tropisetron Impurity 3

CAS NO.:

Formula: C19H24N2O2

Weight: 312.18

Tropisetron Impurity 4

CAS NO.:

Formula: C19H24N2O2

Weight: 312.41

Tropisetron Impurity 5

CAS NO.:

Formula: C26H25N3O3

Weight: 427.50

Tropisetron Impurity 6

CAS NO.: 89565-91-3

Formula: C16H18N2O2

Weight: 270.33